172913931

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{15761}}^1$

素因数の和:15843

約数の個数: 24

約数和(自身を含む): 265558176

約数和(自身を除く): 92644245

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 10971, 15761, 47283, 141849, 362503, 835333, 1087509, 2505999, 3262527, 7517997, 19212659, 57637977, 172913931]

約数ペア:

[(1, 172913931), (3, 57637977), (9, 19212659), (23, 7517997), (53, 3262527), (69, 2505999), (159, 1087509), (207, 835333), (477, 362503), (1219, 141849), (3657, 47283), (10971, 15761)]